#!/usr/bin/env python
# -*- coding:utf-8 -*-
import re

import requests


def getHTML(url):
    try:
        r = requests.get(url, timeout=30)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return '爬取失败'


def parsePage(ilt, html):
    try:
        plt = re.findall('\"view_price\"\:\"[\d\.]*\"', html)
        tlt = re.findall('\"title\"\:\".*?\"', html)
        for i in range(len(plt)):
            price = eval(plt[i].split(':')[1])
            title = eval(tlt[i].split(':')[1])
            ilt.append([price, title])
    except:
        print('parsePage异常')


def printGoodList(ilt):
    tplt = '{:4}\t{:8}\t{:16}'
    print(tplt.format('序号', '价格', '商品名称'))
    count = 0
    for g in ilt:
        count += 1
        printGoodList(tplt.format(count, g[0], g[1]))


if __name__ == '__main__':
    goods = '书'
    depth = 2
    start_url = 'http://s.taobao.com/search?q=' + goods
    info_list = []
    for i in range(depth):
        try:
            url = start_url + '&s=' + str(44 * i)
            html = getHTML(url)
            parsePage(info_list, html)
        except:
            continue
    printGoodList(info_list)
